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Chemical Coordination and Integration question

2000 · Q27
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Chemical Coordination and Integration question

2000 · Q27

NEETBiologyChemical Coordination and IntegrationMCQ+4 / −1
Melatonin is secreted by
  1. A
    pineal body
  2. B
    skin
  3. C
    pituitary gland
  4. D
    thyroid.
View written solutionFree

Correct answer: A

Melatonin is secreted by pineal gland present between the cerebral hemispheres. Melatonin concentration in blood follows a diurnal cycle, it rises in the evening and drops at noon. Melatonin lightens skin colour in certain animals and regulates working of gonads.

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